Visualize Latest Observations from the Ambient Weather Stations

Imports

import glob
import xarray as xr
from bokeh.models.formatters import DatetimeTickFormatter
import hvplot.xarray
import holoviews as hv
from distributed import Client
import warnings

warnings.filterwarnings("ignore")
hv.extension('bokeh')

Start up a Dask Cluster

client = Client()
client

Client

Client-6167e95f-11e5-11f0-8a84-6045bdc9baa6

Connection method: Cluster object	Cluster type: distributed.LocalCluster
Dashboard: http://127.0.0.1:8787/status

Cluster Info

LocalCluster

e8ff5f75

Dashboard: http://127.0.0.1:8787/status	Workers: 4
Total threads: 4	Total memory: 15.62 GiB
Status: running	Using processes: True

Scheduler Info

Scheduler

Scheduler-1e91c555-ff29-4c15-85eb-504c241afabc

Comm: tcp://127.0.0.1:37917	Workers: 4
Dashboard: http://127.0.0.1:8787/status	Total threads: 4
Started: Just now	Total memory: 15.62 GiB

Workers

Worker: 0

Comm: tcp://127.0.0.1:39859	Total threads: 1
Dashboard: http://127.0.0.1:33175/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:46463
Local directory: /tmp/dask-scratch-space/worker-guwxv7h9

Worker: 1

Comm: tcp://127.0.0.1:39283	Total threads: 1
Dashboard: http://127.0.0.1:41985/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:42329
Local directory: /tmp/dask-scratch-space/worker-l3n952bp

Worker: 2

Comm: tcp://127.0.0.1:39835	Total threads: 1
Dashboard: http://127.0.0.1:42045/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:43679
Local directory: /tmp/dask-scratch-space/worker-_19f7l17

Worker: 3

Comm: tcp://127.0.0.1:36943	Total threads: 1
Dashboard: http://127.0.0.1:35211/status	Memory: 3.90 GiB
Nanny: tcp://127.0.0.1:41767
Local directory: /tmp/dask-scratch-space/worker-2v_d3kzu

Read the Sorted Data, Using the Last File

files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))

ds = xr.open_mfdataset(files[-60:])

---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
Cell In[3], line 3
      1 files = sorted(glob.glob('../../data/surface-meteorology/*/*/*/*.nc'))
----> 3 ds = xr.open_mfdataset(files[-60:])

File ~/miniconda3/envs/instrument-cookbooks-dev/lib/python3.10/site-packages/xarray/backends/api.py:1597, in open_mfdataset(paths, chunks, concat_dim, compat, preprocess, engine, data_vars, coords, combine, parallel, join, attrs_file, combine_attrs, **kwargs)
   1594 paths = _find_absolute_paths(paths, engine=engine, **kwargs)
   1596 if not paths:
-> 1597     raise OSError("no files to open")
   1599 paths1d: list[str | ReadBuffer]
   1600 if combine == "nested":

OSError: no files to open

Plot the Data

formatter = DatetimeTickFormatter(hours="%d %b %Y \n %H:%M UTC")

variables = ['outdoor_temperature', 'outdoor_dewpoint', 'hourlyrainin', 'solarradiation']

panels = []
for variable in variables:
    panels.append(ds[variable].hvplot.line(x='time', by='station', xformatter=formatter))
hv.Layout(panels).cols(1)